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A world model creates a surrogate world to train a controller and predict safety violations by learning the internal dynamic model of systems. However, the existing world models rely solely on statistical learning of how observations change…

机器学习 · 计算机科学 2024-05-06 Zhenjiang Mao , Siqi Dai , Yuang Geng , Ivan Ruchkin

Machine learning algorithms often struggle to control complex real-world systems. In the case of nuclear fusion, these challenges are exacerbated, as the dynamics are notoriously complex, data is poor, hardware is subject to failures, and…

Deep reinforcement learning (DRL) has been applied to a variety of problems during the past decade, and has provided effective control strategies in high-dimensional and non-linear situations that are challenging to traditional methods.…

流体动力学 · 物理学 2023-04-07 Colin Vignon , Jean Rabault , Ricardo Vinuesa

Following its success for vision and text, the "foundation model" (FM) paradigm -- pretraining large models on massive data, then fine-tuning on target tasks -- has rapidly expanded to domains in the sciences, engineering, healthcare, and…

机器学习 · 计算机科学 2025-03-24 Zongzhe Xu , Ritvik Gupta , Wenduo Cheng , Alexander Shen , Junhong Shen , Ameet Talwalkar , Mikhail Khodak

In real-world scenarios, achieving domain adaptation and generalization poses significant challenges, as models must adapt to or generalize across unknown target distributions. Extending these capabilities to unseen multimodal…

计算机视觉与模式识别 · 计算机科学 2025-09-22 Hao Dong , Moru Liu , Kaiyang Zhou , Eleni Chatzi , Juho Kannala , Cyrill Stachniss , Olga Fink

Industrial recommendation systems typically involve multiple scenarios, yet existing cross-domain (CDR) and multi-scenario (MSR) methods often require prohibitive resources and strict input alignment, limiting their extensibility. We…

Galvatron is a distributed system for efficiently training large-scale Foundation Models. It overcomes the complexities of selecting optimal parallelism strategies by automatically identifying the most efficient hybrid strategy,…

分布式、并行与集群计算 · 计算机科学 2025-05-01 Xinyi Liu , Yujie Wang , Shenhan Zhu , Fangcheng Fu , Qingshuo Liu , Guangming Lin , Bin Cui

We introduce Poseidon, a foundation model for learning the solution operators of PDEs. It is based on a multiscale operator transformer, with time-conditioned layer norms that enable continuous-in-time evaluations. A novel training strategy…

Despite recent successes of reinforcement learning (RL), it remains a challenge for agents to transfer learned skills to related environments. To facilitate research addressing this problem, we propose CausalWorld, a benchmark for causal…

Dynamical systems that evolve continuously over time are ubiquitous throughout science and engineering. Machine learning (ML) provides data-driven approaches to model and predict the dynamics of such systems. A core issue with this approach…

机器学习 · 计算机科学 2023-11-23 Aditi S. Krishnapriyan , Alejandro F. Queiruga , N. Benjamin Erichson , Michael W. Mahoney

3D world models (i.e., learning-based 3D dynamics models) offer a promising approach to generalizable robotic manipulation by capturing the underlying physics of environment evolution conditioned on robot actions. However, existing 3D world…

机器人学 · 计算机科学 2025-08-27 Suning Huang , Qianzhong Chen , Xiaohan Zhang , Jiankai Sun , Mac Schwager

Quadruped robots have emerged as an evolving technology that currently leverages simulators to develop a robust controller capable of functioning in the real-world without the need for further training. However, since it is impossible to…

机器人学 · 计算机科学 2023-11-14 Giovanni Minelli , Vassilis Vassiliades

Morphing is a long-standing problem in vision and computer graphics, requiring a time-dependent warping for feature alignment and a blending for smooth interpolation. Recently, multilayer perceptrons (MLPs) have been explored as implicit…

Deep learning models frequently encounter feature uncertainty in diverse learning scenarios, significantly impacting their performance and reliability. This challenge is particularly complex in multi-modal scenarios, where models must…

机器学习 · 计算机科学 2025-06-05 Jiahao Qin , Bei Peng , Feng Liu , Guangliang Cheng , Lu Zong

Learning from a stream of tasks usually pits plasticity against stability: acquiring new knowledge often causes catastrophic forgetting of past information. Most methods address this by summing competing loss terms, creating gradient…

机器学习 · 计算机科学 2026-05-20 Pourya Shamsolmoali , Masoumeh Zareapoor

Tabular foundation models with different architectures converge in accuracy across a range of classification and regression tasks. This raises questions a leaderboard cannot answer: (i) whether the models execute the same in-context…

机器学习 · 计算机科学 2026-05-21 Marin Biloš , James T. Wilson , Anderson Schneider , Yuriy Nevmyvaka

Geometric machine learning models such as graph neural networks have achieved remarkable success in recent years in chemical and materials science research for applications such as high-throughput virtual screening and atomistic…

材料科学 · 物理学 2025-04-16 Lingyu Kong , Nima Shoghi , Guoxiang Hu , Pan Li , Victor Fung

Multimodal foundation models that can holistically process text alongside images, video, audio, and other sensory modalities are increasingly used in a variety of real-world applications. However, it is challenging to characterize and study…

While a general embodied agent must function as a unified system, current methods are built on isolated models for understanding, world modeling, and control. This fragmentation prevents unifying multimodal generative capabilities and…

计算机视觉与模式识别 · 计算机科学 2025-12-29 Hongzhe Bi , Hengkai Tan , Shenghao Xie , Zeyuan Wang , Shuhe Huang , Haitian Liu , Ruowen Zhao , Yao Feng , Chendong Xiang , Yinze Rong , Hongyan Zhao , Hanyu Liu , Zhizhong Su , Lei Ma , Hang Su , Jun Zhu

Large-scale pretrained foundation models have been an emerging paradigm for building artificial intelligence (AI) systems, which can be quickly adapted to a wide range of downstream tasks. This paper presents mPLUG, a new vision-language…